New registry aims to unlock secrets of nerve treatment for fainting disorders
NCT ID NCT07196397
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study is a registry that collects information from 1,000 adults who have conditions like fainting, rapid heartbeat, or low blood pressure and have received a procedure that adjusts nerve signals to the heart. Researchers will track whether symptoms return within a year. The goal is to better understand how well these nerve-modulating procedures work over time.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 1,000 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Nov 2024
- Expected to finish
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Dec 2031
An estimate. End dates often move.
- Lead sponsor
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A research network
The lead sponsor is a research network or cooperative group.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
The study population includes adult patients aged 18 years and older with documented autonomic cardiovascular dysfunction, referred for or previously treated with procedures targeting cardiac innervation. The population includes both men and women, and covers a broad clinical spectrum including IST, POTS, VVS, CSS, sinus bradycardia, and orthostatic hypotension. Participants are enrolled across multiple centers in Poland. The study includes both retrospective and prospective cohorts.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Age ≥ 18 years * Diagnosis of at least one of the following conditions: * Inappropriate sinus tachycardia (IST) * Postural orthostatic tachycardia syndrome (POTS) * Vasovagal syncope (VVS) * Cardioinhibitory carotid sinus syndrome (CSS) * Symptomatic sinus bradycardia or functional AV block * Orthostatic hypotension (OH) * History of recurrent autonomic symptoms (e.g., syncope, bradycardia, palpitations, orthostatic intolerance) * Undergoing or previously underwent interventional treatment affecting cardiac autonomic innervation (e.g., cardioneuroablation, SN-sparing ablation, cardiac sympathetic denervation) * Provided written informed consent (for prospective arm) Exclusion Criteria: * Structural heart disease requiring surgical intervention * Permanent pacemaker or ICD implanted prior to enrollment * Inability to complete follow-up assessments or questionnaires * Severe psychiatric comorbidities impairing participation * Participation in another interventional clinical trial
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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SabaMed
RECRUITINGRzeszów, Poland
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